const MAX_POINTS: u32 = 100_000;

fn main() {

    {
        //let x = 5;
        let mut x = 5;
        println!("The value of x is: {}", x);
        x = 6;
        println!("The value of x is: {}", x);
    }
    
    {
        println!("MAX_POINTS = {}", MAX_POINTS);
    }
    
    {
        let x = 5;
        let x = x + 1;
        let x = x * 2;
        println!("The value of x is: {}", x);
    }
    
    {
        let spaces = "   ";
        let spaces = spaces.len();
        println!("spaces = {}", spaces);
    }
    
    {
        //let mut spaces = "   ";
        //spaces = spaces.len();
    }
}
